LX1973B

Microsemi

Analog Mixed Signal Group

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

Page 2

Automotive Light Sensor

TM

®

Copyright

© 2007

Rev. 1.3, 2008-01-11

ABSOLUTE MAXIMUM RATINGS

SNK/SRC (Maximum Output Current)................................................... Internally Limited

Operating Temperature Range ........................................................................ -40 to +85°C

Storage Temperature Range.......................................................................... -40 to +100°C

RoHS / Pb-free Peak Package Solder Reflow Temperature

(40 seconds maximum exposure)..................................................................240°C (+0, -5)

Notes:

1. Exceeding these ratings could cause damage to the device. All voltages are with

respect to Ground. Currents are positive into, negative out of specified terminal.

TH ERMAL DATA

THERMAL RESISTANCE

θ

JC

39

°C/W

THERMAL RESISTANCE

θ

JA

206

°C/W

The

θ

system. All of the above assume no ambient airflow.

FUNCTIONAL PIN DESCRIPTION

Name

Pin

Description

1 Power Supply Voltage

8 Ground Reference for Power and Signal Output

OUT

4 Output Current

PACKAGE PIN OUT

NC

NC

OUT

NC

NC

NC

(Top View)

NC

OUT

NC

NC

NC

NC

(Bottom View)

NC

OUT

NC

NC

NC

NC

(Top View)

NC

NC

OUT

NC

NC

NC

(Bottom View)

NC – No Connection

MSL3/240°C/168 Hours

SIMPLIFIED BLOCK DIAGRAM

PACKAGE

OUT

Photopic

Sensor with

Dark Current

Cancellation

Pre Amplifier

Compression

Amplifier

GND

LX1973B

Figure 1 –

Simplified Block Diagram

LX1973BIPL

LX1973BIPR